Acetylene-gas machine.



No. 833,023. BATENTED OCT. 9, 1906.

P. M. CALEB.

AGETY LENE GAS MACHINE.

APPLIOATION FILED MARJO. i906.

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UNITED STATES PATENT OFFICE.

ACETYLENE-GAS MACHINE.

Specification of Letters Patent.

Patented Oct. 9, 1906.

Application filed March 10, 1906. Serial No. 305,866.

To aZZ whom it may concern:

Be it known that I, FRANCIS M. CALEB, a'

citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented new and useful Improvements in Acetylene-Gas Machines, of whichthe following is a specification.

My invention relates to that class of machines in which the carbid passes through a valve-controlled opening into the water; and the object thereof is to provide a generator with a simple and eflicient feed and in which the ash must be cleaned out of the generator when the carbid-chamber is opened for refilling. I accomplish these objects by the mechanism described herein and illustrated in the accompanying drawings, in which Figure 1 is a side elevation, partly in central section, of the generator, and a fragment of the gas-bell and water-tank showing, to illustrate how the valve is operated. Fig. 2 is an enlarged detail of a portion of the valve mechanism. Fig. 3 is a plan of a portion of the valve mechanism.

In the drawings, 5 is the casing of the generator chamber, which has a contracted throat 6, from which leads pipe-7, which carries the gas to the gas-bell 8 in the usual wellknown manner, which is not illustrated because no part of my present invention. Upon the top of the generator-chamber and secured to the throat thereof is the carbidchamber 9, which has a port 10 in the bottom thereof and an opening 11 in the top thereof, which is closed by the cover 12. Below the cover is a gasket 13, and the cover is held upon this gasket by the screw-bolt 14, whlch passes in threaded contact through the cross-bar 15. The cross-bar 15 is removably secured to the uprights 16 and 17, secured to the top of the carbid-chamber. In the bottom of the generator-chamber is a port 18, which is closed by a gate 19, secured upon the stirrer-rod 20, which rod is provided with blades 21, so that upon the rotation thereof or movement of said blades the ash may be stirred up to pass out of port 18 when gate 19 is lowered, On the top of gate 19 is a gasket 22 to make a water-tight joint between the gate and the adjacent part. stirrer-rod passes upwardly through the carbld-chamber and the upper end is threaded and provided with a nut 23, which when gate 19 is in place, as shown in Fig. 1, rests upon a slotted plate 24 and holds gate 19 in contact with the bottom of the generator chamber. This plate rests upon a ledge 25 around the opening into the top of the carbid-chamber and has a slit 26 which extends to the center thereof and permits the plate to be removed from or placed in position surrounding the rod when the nut runs nearly to the top thereof, and after the plate is in place on the ledge the nut can be screwed down upon the plate so as to bring the gate at the bottom of the rod to close the generator-chamber, after which the generator-chamber is filled with water through the filling-spout 27 and pipe 28, which opens into the generator chambr near the center thereof. By this construction it will be seen that no carbid can be fed into the carbid-chamber until this plate is removed, and that to remove the plate permits the gate at the bottom of the generatorchamber to open and the water and ash therein to run-out, so that in order to use the ma chine after the carbid-chamber is filled with carbid it is necessary to replace this plate and close the gate at the bottom of the chamber, as before described, and then to fill the generator-chamber with water, thereby always requiring the operator to properly equip his machine for generating a new charge of gas after-the carbid has once become exhausted from the carbid-chamber. The port in the bottom of the carbid-chamber is closed by a valve 29, that is carried upon the bottom of the serrated bar 30, whose upper end 7 is pivotally secured to an L-shaped lever 31,

which passes through an opening 32 in the casing of the carbid chamber and also through a fulcrum-plate 33, the ends of which are supported by the annular ring 34. The lever is rigidly secured to the fulcrum-plate and passes through a flexible rubber disk 35, which rests upon the annular ring 34 and forms a closure for opening 32. A nut 36, screwed upon the lever, holds the disk in engagement with the fulcrum-plate and makes the oint through the disk gas-tight. An annular ring 37 rests upon the outer end of the disk, and the disk and the annular rings 34- and 37 are secured to the casing of the carbid-chamber by bolts 38, which make the closure of the opening 32 air-tight, To the top of this lever is secured a rod 39, to one end ofwhich is secured aweight 40 and to the other end a chain 41.

The chain passes downwardly and is fastened to the gas-bell, which is vertically movable in the usual water-tank 42. Rod 39 offsets around the opening into the carbid-chamber.

After the machine is filled ready to begin operation, by pressing down upon the end of rod 39, to which the chain is attached, valve 29 will be opened and carbid will drop into the water 43 in the generator and the gas generated thereby will pass into the gas-bell in the usual manner through pipe 7. As soon as the gas-bell rises to a height showing that it contains the required quantity of gas rod 39 is released and weight 40 immediately causes valve 29 to be brought back to its seat and the flow of carbid into the generatorchamber ceases. Thereafter when the gas is used out of the gas-bell it descends sufli-i ciently to cause the Weight thereof to pull down on rod 39 to open valve 29, when more carbid falls into the generator-chamber, more gas is generated, the bell rises, and the weight will again cause the valve to close. This operation is repeated until the carbid is exhausted, after which the carbid-chamber is recharged as before explained. The length of chain 41 will regulate the amount of gas normally held in the gas-bell.

When cleaning out the ash from the generator-chamber, a crank with a screw-threaded socket in the end thereof is screwed upon the top of the stirrer-rod, and as the water passes out of the generator the stirrer-blades are rotated to agitate the ash so that it will all pass out of thechamber.

Having described my invention, what I claim is 1. The combination of a generator-chamber and a carbid-chamber above the same, said carbid-chamber having a port in the bottom thereof; a valve normally closing said port; a rod connecting said valve to a lever, said lever passing through an opening in the carbid-chamber casing; a fulcrum-plate secured to said lever; a rubber disk secured to said lever and fulcrum-plate; means to secure said disk to the casing of the carbidchamber; a rod secured to said lever; a weight secured upon the end of said rod;a gas-bell; and a connection between said gasbell and the rod secured to the lever.

2. In an acetylene-gas machine, a generator-chamber; a carbid-chamber upon the top of said generator-chamber and communicating therewith; a valve closing said communication; a bar secured to said valve; an L-shaped lever secured to said bar, said lever passing through an opening in the casing of the carbid-chamber and being pivotally secured thereto; a flexible closure for the opening through which said lever passes and means operatable by the gas-bell tov cause said lever to open the valve; and means to cause said lever to close said valve.

In witness that I claim the foregoing I have hereunto subscribed my name this 3d day of March, 1906.

FRANCIS M. CALEB.

Witnesses:

G, E. I-IARPHAM, HENRY T. HAZARD. 

